KR Electronics, Inc.
KR Electronics
General Description
KR 2820-26 is a 26 MHz surface mount bandpass filter. The fil-
ter has a 3 dB bandwidth of 8.5 MHz. Other passband frequen-
cies are available. Please consult the factory.
www.krfilters.com
Features
•
26 MHz Center Frequency
•
8.5 MHz Bandwidth
•
60 dB Stopband Attenuation
•
Surface Mount Package
•
50
Ω
Source and Load
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div and 50 nsec/div)
23 Feb 2008 19:29:38
CH1
CH2
PRm
Cor
S 21
S 21
log MAG
delay
1 dB/
50 ns/
REF 0 dB
REF 80 ns
CH1
S 21
log MAG
Overall Response
(10 dB/div)
23 Feb 2008 19:30:09
10 dB/
REF 0 dB
PRm
Cor
1
PRm
Cor
2
Smo
CENTER 26.000 000 MHz
SPAN
8.500 000 MHz
CH1 CENTER 26.000 000 MHz
SPAN 50.000 000 MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2008, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics 2820-26
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
Attenuation at 21.75 MHz
Attenuation at 30.25 MHz
Attenuation at 13.25 MHz
Attenuation at 38.75 MHz
Source and Load
Specification
Bandpass
26 MHz
< 2.5 dB (1 dB typical)
3 dB ± 1 dB
3 dB ± 1 dB
> 60 dB
> 60 dB
50
Ω
www.krfilters.com
Physical Dimensions
Notes:
1. Surface mount package — Metal cover, open frame
2. Dimensions in inches
3. Maximum reflow temperature 209° C for 10 seconds maximum
4. If boards are cleaned after installation, units must be completely dried
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2008, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
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